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mass extinction

08/29/2017 / By Frances Bloomfield

Just one asteroid strike thrust the planet into YEARS of darkness, killing almost everything

Around 65.5 million years ago, an asteroid about six to nine mi — or 10 to 15 km — in diameter collided with the Earth. Known as the Chicxulub impactor, the meteor created an enormous impact crater underneath the Yucatán Peninsula in Mexico. It’s believed that the Chicxulub impactor was what caused the mass extinction […]

07/30/2017 / By Rhonda Johansson

A single volcanic eruption caused one of the planet’s most devastating mass extinctions, scientists discover

Geologists now believe that a massive volcanic eruption was the cause of the late Ordovician mass extinction. This is the second recorded biodiversity depletion out of five that scientists have recorded. Previous research has shown that an asteroid impact caused the fifth mass extinction, whereas the third and fourth mass extinctions were brought about by […]

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